- New
The invisible gym: twin weighted kegel balls (74 g) with rolling cores that train the pelvic floor as you walk. Stronger orgasms included.
Discreet and secure shopping environment – your privacy guaranteed.
Order dispatch depends on stock status; longest item's delivery time sets whole order shipment.
14-day returns for unopened packages only – special terms for hygiene & intimate products.
Smartballs Duo is the gym membership that fits in your underwear: two weighted spheres whose hidden rolling cores train the pelvic floor with every step — and pay dividends in stronger orgasms.
The moving weights inside the twin balls — about 74 g in total — nudge the pelvic muscles into responding with every movement, an effortless workout that strengthens orgasms, supports postpartum recovery and helps prevent incontinence. The tapered tip and ergonomic shape make insertion easy with water-based lubricant, and the balls sit comfortably in place through errands, workouts and workdays. Durable body-friendly silicone, IPX7 waterproof, cleaned in moments.
How to use: insert with water-based lubricant, then simply live your day — walking, stairs and dancing all count as training. Start with shorter sessions and build up; wash with warm water and mild soap.
Ordering from Eros.ee: in-stock products are shipped within 24 hours — always in discreet packaging.
Train invisibly, celebrate audibly.
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The invisible gym: twin weighted kegel balls (74 g) with rolling cores that train the pelvic floor as you walk. Stronger orgasms included.
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